Online Pitch Changer
Change pitch and tempo without uploading your audio
YOUR TRACK, YOUR KEY
Make it your key
Drop a track here to find your range
or slow down a tricky part
MP3 · WAV · FLAC · M4A
Up to 250 MB · Browser codec support varies
Audio stays in your browser · No sign-up
More ways to shape your sound
18 tools, all in your browser
18 of 18 tools ready to explore
Pitch & effects
Change the key, tempo or atmosphere
06 tools- Pitch ChangerMove a song into your key without changing its tempoWAV / MP3
- Slowed + ReverbSlow it down, speed it up and give it room to breatheWAV / MP3
- Reverb & DelayDial in a room, add an echo and keep the full effect tailWAV / MP3
- 8D AudioMove sound across a stereo field. Best heard on headphonesWAV / MP3
- Online MasteringBalance tone and dynamics with an adjustable mastering chainWAV / MP3
- Reverse AudioTurn the whole recording backwards, channel for channelWAV
Edit & export
Cut, record and prepare the right file
05 tools- Audio TrimmerKeep one section and soften its edges with precise fadesWAV
- Audio CutterSplit, rearrange and join parts of a single recordingWAV
- Audio ConverterChoose the format and settings your next destination needsMP3 / WAV / FLAC / AAC / OGG / AIFF / ALAC
- Audio ExtractorSave the first audio stream from a local video as an MP3MP3
- Voice RecorderCapture a microphone take. Pause, listen back and save itWAV / MP3
Analyze & practice
Get in tune and find your timing
05 tools- BPM FinderEstimate the beat, compare half-time and double-time optionsTempo + confidence
- Song Key FinderEstimate a major or minor key, with confidence and alternativesKey + confidence
- Tap BPMTap along to the music with your mouse, touch or keyboardTempo
- MetronomeKeep a steady pulse with adjustable sounds and beat accentsLive click
- Guitar TunerTune one string at a time using your microphoneNote + cents
Separate stems
Make stems and backing tracks for practice
02 tools
Local file tools accept files up to 250 MB. Decoded audio, available memory, browser codecs and model-specific limits can reduce this. Open a tool for its exact requirements.
Get more from your music
All guides
From track to take
- 01
Open your audio
Choose a local file or drop it into the workspace. Your original stays untouched.
- 02
Find your sound
Adjust the key or tempo and press Play preview. Engines and models download only when needed.
- 03
Save your version
Select Prepare export, then download WAV or MP3. Save your result before leaving the page.
Check your pitch
Play a reference note and hear how semitones change its pitch.
Start with your volume low. No microphone access.
Your audio stays yours
Local processing, with clear limits and no account required.
Does my audio leave this device?
No. These tools decode, analyze and process audio in your browser. PitchChanger does not upload your selected audio or microphone recordings to a processing service.
What still needs a connection?
The website, audio engines and separation models must be downloaded. Some assets may be cached by your browser, but offline operation is not guaranteed. Loading the site and its assets still makes ordinary network requests.
How is website usage measured?
We use Microsoft Clarity to understand page interactions through heatmaps and session replays. Clarity receives usage and device information, with page text masked and analytics and advertising cookies disabled. Audio files and microphone recordings stay on your device. We respect Do Not Track and Global Privacy Control browser signals. See the Microsoft Privacy Statement for how Microsoft handles this data.
What stays in browser storage?
Recording and separation can use temporary browser storage (OPFS). Separation models may be cached between visits. Tools attempt to release temporary files when you reset or leave; interrupted sessions and browser eviction can affect this. Clearing this site’s browser data removes its retained caches and local data.
What should I check before starting?
Keep a copy of your original. Local file inputs have a 250 MB limit; decoded audio, device memory and storage impose additional limits. Stem Splitter needs WebGPU and accepts up to six minutes. Use audio you own or have permission to edit; model separation is an estimate and can introduce artifacts.